Respuesta :

choixongdong

Answer:

13

Step-by-step explanation:

20/5 = 4

48/12 = 4

SF = 4

So

52/4 = 13

gmany

Answer:

x = 13

Step-by-step explanation:

If the triangles are similar, then the sides are in proportion:

[tex]\dfrac{x}{52}=\dfrac{5}{20}[/tex]           cross multiply

[tex]20x=(52)(5)[/tex]

[tex]20x=260[/tex]             divide both side by 20

[tex]x=13[/tex]

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